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Arma Reforger Server Configuration

Complete guide to configuring your Arma Reforger dedicated server using JSON configuration files.

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Table of Contents

Default Ports

These are the default ports that need to be opened for hosting:

PortProtocolRequiredPurpose
2001UDPYesGame port (client connections)
17777UDPOptionalSteam Query (A2S)
19999UDPOptionalRCON

Root Configuration

bindAddress

IP address to which the server socket will be bound. Leave empty for 0.0.0.0 (all interfaces).

"bindAddress": ""

bindPort

UDP port for the server socket. Range: 1-65535, Default: 2001

"bindPort": 2001

publicAddress

Public IP for backend registration. Leave empty for auto-detection.

"publicAddress": ""

publicPort

Public UDP port registered in backend. Default: 2001

"publicPort": 2001

Game Settings

name

Server name displayed in the browser. Max 100 characters.

"name": "My Arma Reforger Server"

password

Password required to join the server. Leave empty for public server.

"password": ""

passwordAdmin

Admin password for server control. Use #login password in chat.

"passwordAdmin": "yourAdminPassword"

scenarioId

The scenario .conf file path. Use -listScenarios startup parameter to list available scenarios.

"scenarioId": "{ECC61978EDCC2B5A}Missions/23_Campaign.conf"

maxPlayers

Maximum players allowed. Range: 1-128, Default: 64

"maxPlayers": 64

visible

Server visibility in the browser. Default: true

"visible": true

Game Properties

serverMaxViewDistance

Maximum view distance in meters. Range: 500-10000, Default: 1600

"serverMaxViewDistance": 1600

networkViewDistance

Network streaming range. Range: 500-5000, Default: 1500

"networkViewDistance": 1500

fastValidation

Always set to true for public servers! Validates client data on join.

"fastValidation": true

battlEye

Enable BattlEye anti-cheat. Default: true

"battlEye": true

disableThirdPerson

Force first-person view only. Default: false

"disableThirdPerson": false

Cross-Platform Settings

crossPlatform

Enable cross-platform play (PC, Xbox, PlayStation). Default: false

"crossPlatform": true

Supported Platforms:

  • PLATFORM_PC - PC players
  • PLATFORM_XBL - Xbox players
  • PLATFORM_PSN - PlayStation players

RCON Configuration

address

IP address for RCON socket binding.

port

RCON port. Default: 19999

password

RCON password. Required, min 3 characters, no spaces.

permission

admin - full control | monitor - read-only

Full Configuration Template

{
  "bindAddress": "",
  "bindPort": 2001,
  "publicAddress": "",
  "publicPort": 2001,
  "a2s": {
    "address": "",
    "port": 17777
  },
  "rcon": {
    "address": "",
    "port": 19999,
    "password": "yourRconPassword",
    "permission": "admin"
  },
  "game": {
    "name": "My Arma Reforger Server",
    "password": "",
    "passwordAdmin": "yourAdminPassword",
    "scenarioId": "{ECC61978EDCC2B5A}Missions/23_Campaign.conf",
    "maxPlayers": 64,
    "visible": true,
    "crossPlatform": true,
    "gameProperties": {
      "serverMaxViewDistance": 1600,
      "serverMinGrassDistance": 0,
      "networkViewDistance": 1500,
      "disableThirdPerson": false,
      "fastValidation": true,
      "battlEye": true,
      "VONDisableUI": false,
      "VONDisableDirectSpeechUI": false,
      "VONCanTransmitCrossFaction": false
    },
    "mods": []
  }
}

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